Structure: Gentle Dip Nnw Less Than 1 Degree

Tectonics: Interior Basin; Deltaic Red Bed Margin

Commodity: Four feet of black shale and red-brown sandstone with copper minerals occurs in a 4-ft section, measured by udden and phillips (1912, p. 3).

Deposit: Part of old copper prospects in area. Udden and phillips (1912, p. 3, 23, pl. 18) describe measured section with 4 ft of copper minerals in old prospect pits 3 mi w. Of henrietta and 0.5 mi s. Of ft. Worth and denver rr., in east-facing bluff. Blair and others (1973, p. 10, pl. 1) give a.e.c. File no. 2456, chrisman ranch, for approximately the same locality.

Development: Old copper prospects occur in area according to udden and phillips (1912, p. 3).

Geology: Geology by hentz (1988), hentz and brown (1987), and romer (1974).

Rock formation(s): Nocona Formation
Sandstone 10 Of Nocona Formation

Ore(s): Reducing Environment, Stratigraphic

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Copper

Mineral List

ⓘ Chalcocite

ⓘ Malachite

2 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Sandstone

Detailed Mineral List:

ⓘ Chalcocite

Formula: Cu₂S

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

References:

(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcocite	2.BA.05	Cu₂S
Group 5 - Nitrates and Carbonates
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	Carbon
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	Oxygen
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
S	Sulfur
S	ⓘ Chalcocite	Cu₂S
Cu	Copper
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂

Other Databases

Link to USGS MRDS:	10022063

Other Regions, Features and Areas containing this locality

North AmericaContinent

North America PlateTectonic Plate

Fort Worth BasinBasin
Granite-Rhyolite ProvinceMagmatic Province
Shawnee DomainDomain

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References

Udden, J.A., and Phillips, D.M., (1912), Texas Bureau of Economic Geology, Bulletin 246, 308 P. (p. 3, 23, Pl. 18).

Gordon, C.H., (1913), U.S. Geological Survey Water-supply Paper 317, 88 P. (p. 45).

Blair, R.G., Stehle, F.T., and Levich, R.A., (1973), U.S. Atomic Energy Commission, Technical Memorandum Tm-190, 16 P. (p. 10, Pl. 1).

Romer, A.S., (1974), Breviora, No. 427, Harvard Museum of Comparative Zoology, 31 P.

Hentz, T.F., and Brown, L.F., Jr., Compilers, (1987), in Barnes, V.E., Geologic Atlas of Texas, Wichita Falls-lawton Sheet: Texas Bureau of Economic Geology, 121 P.

Hentz, T.F., (1988), Texas Bureau of Economic Geology, Report of Investigations 170, 55 P. (p. 6, 16-19, 53).

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